diff --git a/cmd/nvidia-ctk/cdi/generate/generate.go b/cmd/nvidia-ctk/cdi/generate/generate.go
index 5b59de78..c3992d5b 100644
--- a/cmd/nvidia-ctk/cdi/generate/generate.go
+++ b/cmd/nvidia-ctk/cdi/generate/generate.go
@@ -122,7 +122,7 @@ func (m command) run(c *cli.Context, cfg *config) error {
 		}
 	}
 
-	_, err = outputTo.Write(data)
+	err = writeToOutput(cfg.jsonMode, data, outputTo)
 	if err != nil {
 		return fmt.Errorf("failed to write output: %v", err)
 	}
@@ -130,6 +130,22 @@ func (m command) run(c *cli.Context, cfg *config) error {
 	return nil
 }
 
+func writeToOutput(jsonMode bool, data []byte, output io.Writer) error {
+	if !jsonMode {
+		_, err := output.Write([]byte("---\n"))
+		if err != nil {
+			return fmt.Errorf("failed to write YAML separator: %v", err)
+		}
+
+	}
+	_, err := output.Write(data)
+	if err != nil {
+		return fmt.Errorf("failed to write data: %v", err)
+	}
+
+	return nil
+}
+
 func (m command) generateSpec() (*specs.Spec, error) {
 	nvmllib := nvml.New()
 	if r := nvmllib.Init(); r != nvml.SUCCESS {